# SDR DALA2021030801310

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2021
- Submitted: March 8, 2021
- Operation: Air carrier
- Aircraft: [N369NW](https://openairdocs.org/aircraft/N369NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1011
- Aircraft time: 63,908 hours, 29,112 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Slip Joint
- Condition: Detached
- Location: Acm
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021030801310

## Discrepancy

SHIP 3269 - DIV - TO GSP DUE TO LOSS OF PRESSURIZATION. O2 MASKS DID NOT DEPLOY. PACK 2 ALREADY ON MEL. CORRECTIVE ACTION: DEFERRED AUTO PRESSURE CONTROL PER MEL 21-31-01A AND FERRIED TO ATL. FOUND PACK 1 SLIP JOINT FROM PRIMARY HEAT EXCHANGER TO ACM PARTIALLY OFF DUCT. FLOW CONTROL VALVE HAS HEAVY INTERNAL BYPASS. RE-SECURED CONNECTION PER A320 AMM 21-51. OPS CHECK OK.

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